half-witted Antonyms

as sharp as a tack sober smart shrewd sharp-witted sharp sensible sage sagacious resourceful reasonable rational quick-witted sound talented wise as sharp as a razor able to understand quickly mentally acute extremely clever able to think quickly as sharp as a needle whip-smart scholared quick-thinking insightful knowledgeable savvy quick psychological proficient genius erudite educated clever cerebral canny brilliant bright brainy astute alert acute gifted ingenious intellectual politic piquant perspicacious perceptive